{
  description = "nate's dotfiles — zsh, nvim, tmux, wezterm, oh-my-posh";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    home-manager = {
      url = "github:nix-community/home-manager";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = { nixpkgs, home-manager, ... }:
    let
      supportedSystems = [ "aarch64-darwin" "x86_64-linux" "aarch64-linux" ];

      mkHome = system:
        let
          pkgs = nixpkgs.legacyPackages.${system};
          isDarwin = builtins.match ".*-darwin" system != null;
        in
        home-manager.lib.homeManagerConfiguration {
          inherit pkgs;
          modules = [ ./home.nix ];
          extraSpecialArgs = { inherit isDarwin; };
        };
    in
    {
      homeConfigurations = builtins.listToAttrs (map (system: {
        name = "nate@${system}";
        value = mkHome system;
      }) supportedSystems);

      # convenience: `nix run .` applies config for current system
      # usage: nix run home-manager -- switch --flake .#nate@$(nix eval --raw nixpkgs#system)
    };
}